EP1178371A4 - Mechanical timepiece with electrostatic capacity type detecting part and braking part - Google Patents

Mechanical timepiece with electrostatic capacity type detecting part and braking part

Info

Publication number
EP1178371A4
EP1178371A4 EP00905402A EP00905402A EP1178371A4 EP 1178371 A4 EP1178371 A4 EP 1178371A4 EP 00905402 A EP00905402 A EP 00905402A EP 00905402 A EP00905402 A EP 00905402A EP 1178371 A4 EP1178371 A4 EP 1178371A4
Authority
EP
European Patent Office
Prior art keywords
electrostatic capacity
capacity type
type detecting
mechanical timepiece
braking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00905402A
Other languages
German (de)
French (fr)
Other versions
EP1178371A1 (en
Inventor
Keishi Honmura
Koichiro Jujo
Takeshi Tokoro
Kenji Ogasawara
Masafumi Hoshino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of EP1178371A1 publication Critical patent/EP1178371A1/en
Publication of EP1178371A4 publication Critical patent/EP1178371A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/047—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using other coupling means, e.g. electrostrictive, magnetostrictive
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Micromachines (AREA)
EP00905402A 2000-02-29 2000-02-29 Mechanical timepiece with electrostatic capacity type detecting part and braking part Withdrawn EP1178371A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/001165 WO2001065319A1 (en) 2000-02-29 2000-02-29 Mechanical timepiece with electrostatic capacity type detecting part and braking part

Publications (2)

Publication Number Publication Date
EP1178371A1 EP1178371A1 (en) 2002-02-06
EP1178371A4 true EP1178371A4 (en) 2005-10-12

Family

ID=11735735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00905402A Withdrawn EP1178371A4 (en) 2000-02-29 2000-02-29 Mechanical timepiece with electrostatic capacity type detecting part and braking part

Country Status (3)

Country Link
EP (1) EP1178371A4 (en)
CN (1) CN1357118A (en)
WO (1) WO2001065319A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1791039A1 (en) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Hairspring made from athermic glass for a timepiece movement and its method of manufacture
EP3438764A1 (en) * 2017-08-04 2019-02-06 ETA SA Manufacture Horlogère Suisse Clock movement comprising a device for detecting an angular position of a wheel
CN110697412B (en) * 2019-10-12 2021-01-26 浙江维克机械科技有限公司 Timer detection production line and detection method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937001A (en) * 1972-11-21 1976-02-10 Berney Jean Claude Watch movement driven by a spring and regulated by an electronic circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790818A (en) * 1971-11-01 1973-02-15 Timex Corp AMPLITUDE CONTROL MEANS FOR BALANCER OSCILLATORS
JPS5441675U (en) * 1977-08-29 1979-03-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937001A (en) * 1972-11-21 1976-02-10 Berney Jean Claude Watch movement driven by a spring and regulated by an electronic circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0165319A1 *

Also Published As

Publication number Publication date
CN1357118A (en) 2002-07-03
WO2001065319A1 (en) 2001-09-07
EP1178371A1 (en) 2002-02-06

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